Finding the Fourth Proportional to 757,162.78, 1,044,887.89 and 413,006.09

Step by Step Solution

1. Step 1: Write the proportion equation
   757,162.78 : 1,044,887.89 = 413,006.09 : x
2. Step 2: Convert to fraction form
   757,162.78/1,044,887.89 = 413,006.09/x
3. Step 3: Cross multiply
   757,162.78x = 1,044,887.89 × 413,006.09
4. Step 4: Simplify right side
   757,162.78x = 431,545,061,937.25
5. Step 5: Solve for x
   x = 431,545,061,937.25/757,162.78
6. Step 6: Final answer
   x = 569,950.18